import java.util.Scanner;
public class Main
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        double loanAmount = sc.nextDouble();
        sc.nextLine(); 
        String loanType = sc.nextLine().trim();
        if (loanAmount <= 0)
        {
            System.out.println("Invalid input");
            return;
        }
        double interest;
        if (loanType.equalsIgnoreCase("HomeLoan"))
        {
            interest = loanAmount * 0.05;
        } else if (loanType.equalsIgnoreCase("PersonalLoan"))
        {
            interest = loanAmount * 0.10;
        } else {
            System.out.println("Invalid input");
            return;
        }
        System.out.println("%.1f", interest);
    }
}